/*
 * Copyright (c) 1998, Regents of the University of California
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the University of California, Berkeley nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * 
 */
package com.googlecode.eclipse.plugin.directorycpcontainer;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.ClasspathContainerInitializer;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;

/**
 * This classpath container initializer constructs a DirectoryContainer with the give 
 * container path and Java project.  It then validates the container before setting 
 * it in the classpath.  If the container is invalid, it fails silently and logs an 
 * error to the Eclipse error log.
 * 
 * @author Frederic Camblor
 */
public class DirectoryContainerInitializer extends
        ClasspathContainerInitializer {
 
    /**
     * @see org.eclipse.jdt.core.ClasspathContainerInitializer#initialize(org.eclipse.core.runtime.IPath, org.eclipse.jdt.core.IJavaProject)
     */
    @Override
    public void initialize(IPath containerPath, IJavaProject project)
            throws CoreException {
        DirectoryContainer container = new DirectoryContainer( containerPath, project );
        if(container.isValid()) {
            JavaCore.setClasspathContainer(containerPath, new IJavaProject[] {project}, new IClasspathContainer[] {container}, null);             
        } else {
            Logger.log(Logger.WARNING, Messages.InvalidContainer + containerPath);
        }
    }
    
    /**
     * @see org.eclipse.jdt.core.ClasspathContainerInitializer#canUpdateClasspathContainer(org.eclipse.core.runtime.IPath, org.eclipse.jdt.core.IJavaProject)
     */
    @Override
    public boolean canUpdateClasspathContainer(IPath containerPath, 
            IJavaProject project) {
        return true;
    }

    /**
     * @see org.eclipse.jdt.core.ClasspathContainerInitializer#requestClasspathContainerUpdate(org.eclipse.core.runtime.IPath, org.eclipse.jdt.core.IJavaProject, org.eclipse.jdt.core.IClasspathContainer)
     */
    @Override
    public void requestClasspathContainerUpdate(IPath containerPath, IJavaProject project, IClasspathContainer containerSuggestion) throws CoreException {
        JavaCore.setClasspathContainer(containerPath, new IJavaProject[] { project },   new IClasspathContainer[] { containerSuggestion }, null);
    }

}
